Missing Value Imputation

Missing Value Imputation

Missing Value Imputation is located under Model Studio (  ) in Data Preparation, in the task pane on the left. Use the drag-and-drop method to use algorithm in the canvas. Click the algorithm to view and select different properties for analysis.

Refer to Properties of Missing Value Imputation.

Properties of Missing Value Imputation

The available properties of Missing Value Imputation are as shown in the figure given below.
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The table below describes different fields present on the properties pane of the Missing Value Imputation.

Field

Description

Remark

RunIt allows you to run the node.-
ExploreIt allows you to explore the successfully executed node.-
Vertical Ellipses

The available options are

  • Run till node
  • Run from node
  • Publish as a model
  • Publish code
-

Task Name

It displays the name of the selected task.

You can click the text field to edit or modify the name of the task as required.

Continuous Variables

It allows you to select continuous variables to perform missing value imputation.

  • Multiple data fields can be selected.
  • Only the numerical data fields selected for the reader are visible.

Allow Single Select
(For Continuous Variables)

It allows you to impute individual missing values separately, for selected data fields.

  • Point to the data field and click the gear icon (  ). 
  • The available imputation methods are,
  • Mean
  • Median
  • Min
  • Max
  • Remove
  • Constant (If selected, enter the constant value)

Select Imputation Method
(For Continuous Variables)

It allows you to select the imputation method from the drop-list to apply for the selected data fields.

The available imputation methods are,

  • Mean
  • Median
  • Min
  • Max
  • Remove
  • Constant (If selected, enter the constant value)

Categorical Variables

It allows you to select continuous variables to perform missing value imputation.

  • Multiple data fields can be selected.
  • Only the categorical data fields selected for reader are visible.

Allow Single Select
(For Categorical Variables)

It allows you to select the check box if you want to impute individual missing values separately, for selected data fields.

  • Point to the data field and click the gear icon 
  • The available imputation methods are,
  • Mode
  • Remove
  • Constant (If selected, enter the constant value)

Select Imputation Method
(For Categorical Variables)

It allows you to select the imputation method from the drop-list to apply for the selected data fields.

The available imputation methods are,

  • Mode
  • Remove
  • Constant (If selected, enter the constant value)


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